dynamic registration of service in grpc server

[Chaitanya Gangwar]

Hi,

Is it possible to register services dynamically with grpc server. I want grpc server up and running and whenever there is a new service, can it be registered with this server. is this possible ??

Thanks
Chaitanya

[Abhishek Kumar]

In C++ you can register a " generic" service which then allows you to do dynamic dispatch in the handler. i.e., with generic services you can implement your own dynamic registry above the grpc API.

-Abhishek

[Chaitanya Gangwar]

Hi Abhishek,

Thanks for your reply but could you please provide me little more help regarding the generic services. Could you please explain the design little more. I am new to this and have limited knowledge.
Also, is it possible to call "RegisterService"   api  after calling "buildAndStartServer" api.  I mean, if server is build and started, is it possible to register new services on the same server.

Thanks
Chaitanya

[Yang Gao]

The generic service is lower level C++ API. It provides the raw rpc data to user to do custom handling and is suitable for applications such as a proxy. 

Typically you want to have some dispatcher to send the rpc to its handler according to its method name. You can do your new service (handler) registration at the dispatcher.

You can take a look at generic_end2end_test.cc for a toy example.

You should not call RegisterService after starting the server.

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